PRISON drug smugglers are "only limited by their imagination" in flooding jails with illegal substances, a death probe has heard.

The claim was made after George Lever, 49, was found lifeless in his cell at HMP Barlinnie on 25 April 2018.

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His death was found to be as a result of methadone and the illicit drug spice in his system at the time of his death.

Lever was serving a two-year sentence at the time for the possession of a dangerous weapon and breach of the peace.

A Fatal Accident Inquiry stated that it was “satisfied with the way prisons detect and prevent the importation of illicit substances into prison.”

Sheriff Brian Cameron added: “It is clear that the issue of illicit substances within the prison setting is an ongoing problematic issue.

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“Psychoactive substances in particular present their own difficulties in terms of detection and prevention of importation, given their odourless and colourless characteristics. 

“As Detective Constable Kenneth Foy commented those who smuggle psychoactive substances into prisons are limited only by their imagination.”